Patents Assigned to Advance Company Limited
  • Coffee roaster
    Patent number: 4325191
    Abstract: A coffee roaster in which roasting is automatically terminated by the provision in the roaster of a temperature sensing device which detects the temperature of the coffee beans during the steps of stirring and roasting and produces at a predetermined appropriate temperature a signal which is used to terminate the roasting.
    Type: Grant
    Filed: May 16, 1980
    Date of Patent: April 20, 1982
    Assignee: Advance Company Limited
    Inventors: Ryohei Kumagai, Kazuo Maruta